Abstract This paper reviews recent advances in chemical applications of optical trapping of single microparticles in solution, with special reference to microspectroscopy (absorption, fluorescence, and Raman spectroscopy), interfacial processes across microdroplet/solution interfaces, and photochemical reactions in microdroplets. After describing the principles and experimental setups of optical trapping of single microparticles, recent topics of chemical applications of the techniques are described. The work on optical trapping-electrochemical measurements of single microdroplets is also summarized. In particular, this review focuses on demonstrating the characteristics of chemical processes in micrometer dimensions, i.e., “microchemistry”.

Noboru Kitamura

Fumihiko Kitagawa

Journal of Photochemistry and Photobiology C Photochemistry Reviews

国际期刊《光化学评论》是日本光化学协会的官方期刊，为光化学各个领域的科学家提供相互交流的论坛，旨在促进新的交叉学科领域。范围包括气体、液体和固相、有机光化学、无机光化学、超分子光化学、光合作用和光生物学的光化学方面、光电化学、光催化、太阳能转换、光化学器件、光加工、光功能化、光子学新化学等相关领域。

The Journal of Photochemistry and Photobiology C: Photochemistry Reviews is the official journal of the Japanese Photochemistry Association, providing a platform for scientists in various fields of photochemistry to communicate and promote new interdisciplinary research. The scope of the journal includes photochemical studies in gases, liquids, and solids, covering areas such as organic photochemistry, inorganic photochemistry, supramolecular photochemistry, photosynthesis, and photobiology. Additionally, it addresses topics related to photoelectrochemistry, photocatalysis, solar energy conversion, photochemical devices, photoprocessing, photofunctionalization, and new chemistry in photonics.

《Journal of Photochemistry and Photobiology C: Photochemistry Reviews》是日本光化学协会的官方期刊，旨在为光化学各个领域的科学家提供一个相互交流的平台，促进新的交叉学科研究。期刊的范围涵盖气体、液体和固体的光化学研究，包括有机光化学、无机光化学、超分子光化学、光合作用和光生物学等领域。此外，还涉及光电化学、光催化、太阳能转换、光化学器件、光加工、光功能化以及光子学新化学等相关主题。

Category	Quartile
化学	1
化学, 物理化学	1

Optical trapping—chemical analysis of single microparticles in solution

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Category	Quartile
CHEMISTRY, PHYSICAL	1